Developed by Fred Wade of Wade's Gunroom, Phoenix AZ. Also known as the 35-338 Magnum, based on the 338 Win Mag case   

   Developed by Breil Jackson, the editor of Guns & Game magazine in Australia in 2001. It uses the 300 WSM case necked up to .35" with no other changes

   Developed by Art Mashburn during the 40's or 50's. The rifle below was featured in Heritage Auctions LOT #32616 with the following notes: "...nickel plated floorplate engraved with a charging Grizzly bear in relief by Dan Clark. Nickel plated grip cap...

This is an “improved” version of the standard 35 Whelen with the shoulder moved forward by .050” and the shoulder about .020” wider. It is not the same as the Ackley version and the velocity/energy gain would be negligible over a standard .35 Whelen....